Plywood chassis, speedy motors and new back caster

Some prototyping has been going on. Trying out the finish of the wooden chassis on 3mm ply Looking at how to mount the small gear boxed motors – these ones are more pricey so are definitely an upgrade – but have the potential to have your ChickBot going like a velociraptor. And replacing the overly expensive swivel / ball caster options with a simple half a ping-pong ball – I’ve cracked a simple way to get them to stick!